| 207 |
mateuszvis |
1 |
/*!\file netinet/igmp.h
|
|
|
2 |
* Internet Group Managment Protocol.
|
|
|
3 |
*/
|
|
|
4 |
|
|
|
5 |
/*
|
|
|
6 |
* Copyright (c) 1988 Stephen Deering.
|
|
|
7 |
* Copyright (c) 1992, 1993
|
|
|
8 |
* The Regents of the University of California. All rights reserved.
|
|
|
9 |
*
|
|
|
10 |
* This code is derived from software contributed to Berkeley by
|
|
|
11 |
* Stephen Deering of Stanford University.
|
|
|
12 |
*
|
|
|
13 |
* Redistribution and use in source and binary forms, with or without
|
|
|
14 |
* modification, are permitted provided that the following conditions
|
|
|
15 |
* are met:
|
|
|
16 |
* 1. Redistributions of source code must retain the above copyright
|
|
|
17 |
* notice, this list of conditions and the following disclaimer.
|
|
|
18 |
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
19 |
* notice, this list of conditions and the following disclaimer in the
|
|
|
20 |
* documentation and/or other materials provided with the distribution.
|
|
|
21 |
* 3. All advertising materials mentioning features or use of this software
|
|
|
22 |
* must display the following acknowledgement:
|
|
|
23 |
* This product includes software developed by the University of
|
|
|
24 |
* California, Berkeley and its contributors.
|
|
|
25 |
* 4. Neither the name of the University nor the names of its contributors
|
|
|
26 |
* may be used to endorse or promote products derived from this software
|
|
|
27 |
* without specific prior written permission.
|
|
|
28 |
*
|
|
|
29 |
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
|
30 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
31 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
32 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
|
33 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
34 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
35 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
36 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
37 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
38 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
39 |
* SUCH DAMAGE.
|
|
|
40 |
*
|
|
|
41 |
* @(#)igmp.h 8.1 (Berkeley) 6/10/93
|
|
|
42 |
* $Id: igmp.h,v 1.7 1996/03/14 16:59:17 fenner Exp $
|
|
|
43 |
*/
|
|
|
44 |
|
|
|
45 |
#ifndef __NETINET_IGMP_H
|
|
|
46 |
#define __NETINET_IGMP_H
|
|
|
47 |
|
|
|
48 |
/*
|
|
|
49 |
* Internet Group Management Protocol (IGMP) definitions.
|
|
|
50 |
*
|
|
|
51 |
* Written by Steve Deering, Stanford, May 1988.
|
|
|
52 |
*
|
|
|
53 |
* MULTICAST Revision: 3.5.1.2
|
|
|
54 |
*/
|
|
|
55 |
|
|
|
56 |
/*
|
|
|
57 |
* IGMP packet format.
|
|
|
58 |
*/
|
|
|
59 |
|
|
|
60 |
#include <sys/packon.h>
|
|
|
61 |
|
|
|
62 |
struct igmp {
|
|
|
63 |
u_char igmp_type; /* version & type of IGMP message */
|
|
|
64 |
u_char igmp_code; /* subtype for routing msgs */
|
|
|
65 |
u_short igmp_cksum; /* IP-style checksum */
|
|
|
66 |
struct in_addr igmp_group; /* group address being reported */
|
|
|
67 |
}; /* (zero for queries) */
|
|
|
68 |
|
|
|
69 |
#include <sys/packoff.h>
|
|
|
70 |
|
|
|
71 |
#define IGMP_MINLEN 8
|
|
|
72 |
|
|
|
73 |
/*
|
|
|
74 |
* Message types, including version number.
|
|
|
75 |
*/
|
|
|
76 |
#define IGMP_MEMBERSHIP_QUERY 0x11 /* membership query */
|
|
|
77 |
#define IGMP_V1_MEMBERSHIP_REPORT 0x12 /* Ver. 1 membership report */
|
|
|
78 |
#define IGMP_V2_MEMBERSHIP_REPORT 0x16 /* Ver. 2 membership report */
|
|
|
79 |
#define IGMP_V2_LEAVE_GROUP 0x17 /* Leave-group message */
|
|
|
80 |
|
|
|
81 |
#define IGMP_DVMRP 0x13 /* DVMRP routing message */
|
|
|
82 |
#define IGMP_PIM 0x14 /* PIM routing message */
|
|
|
83 |
|
|
|
84 |
#define IGMP_MTRACE_RESP 0x1e /* traceroute resp.(to sender)*/
|
|
|
85 |
#define IGMP_MTRACE 0x1f /* mcast traceroute messages */
|
|
|
86 |
|
|
|
87 |
#define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */
|
|
|
88 |
/* query (in seconds) according */
|
|
|
89 |
/* to RFC1112 */
|
|
|
90 |
|
|
|
91 |
|
|
|
92 |
#define IGMP_TIMER_SCALE 10 /* denotes that the igmp code field */
|
|
|
93 |
/* specifies time in 10th of seconds*/
|
|
|
94 |
|
|
|
95 |
/*
|
|
|
96 |
* The following four defininitions are for backwards compatibility.
|
|
|
97 |
* They should be removed as soon as all applications are updated to
|
|
|
98 |
* use the new constant names.
|
|
|
99 |
*/
|
|
|
100 |
#define IGMP_HOST_MEMBERSHIP_QUERY IGMP_MEMBERSHIP_QUERY
|
|
|
101 |
#define IGMP_HOST_MEMBERSHIP_REPORT IGMP_V1_MEMBERSHIP_REPORT
|
|
|
102 |
#define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT
|
|
|
103 |
#define IGMP_HOST_LEAVE_MESSAGE IGMP_V2_LEAVE_GROUP
|
|
|
104 |
|
|
|
105 |
#endif
|